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Ferromagnetic metals and insulators are widely used for generation, control and detection of magnon spin signals. Most magnonic structures are based primarily on either magnetic insulators or ferromagnetic metals, while heterostructures…

A scheme is presented to optimize the optomechanical cooling of mechanical resonator in instability regime. Based on the stability analysis, we uncovered a distinct bistable effect of photons and phonons, which can be used to realize a…

Quantum Physics · Physics 2017-11-01 Wen-Zhao Zhang , Wen-Lin Li , Jiong Cheng , Qingxia Mu

We demonstrate that yttrium iron garnet microspheres support optical whispering gallery modes similar to those in non-magnetic dielectric materials. The direction of the ferromagnetic moment tunes both the resonant frequency via the Voigt…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 J. A. Haigh , S. Langenfeld , N. J. Lambert , J. J. Baumberg , A. J. Ramsay , A. Nunnenkamp , A. J. Ferguson

We explore the use of magnonic Fabry-P\'erot resonators as programmable phase shifters for spin-wave computing. The resonator, composed of a yttrium iron garnet (YIG) film coupled with a CoFeB nanostripe, operates through dynamic dipolar…

We propose a nonlinear magnonic platform for bounded nonadiabatic parametric excitation in nanoscale ferrite structures. The approach is based on the algorithm, where the non-adiabaticity parameter is interpreted as a local measure of the…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 A. M. Tishin

We experimentally demonstrate strong magnon-magnon coupling by thermal spin excitations in yttrium iron garnet/permalloy (YIG/Py) hybrid structures using microfocused Brillouin light scattering - an optical technique that enables the…

Yttrium iron garnet (YIG) magnonics has garnered significant research interest because of the unique properties of magnons (quasiparticles of collective spin excitation) for signal processing. In particular, hybrid systems based on YIG…

Mesoscale and Nanoscale Physics · Physics 2024-12-20 Jing Xu , Connor Horn , Yu Jiang , Amin Pishehvar , Xinhao Li , Daniel Rosenmann , Xu Han , Miguel Levy , Supratik Guha , Xufeng Zhang

In this article we report about linear and nonlinear optical properties of intersubband cavity polariton samples, where the resonant photonic mode is a defect state in a metallo-dielectric photonic crystal slab. By tuning a single geometric…

Mesoscale and Nanoscale Physics · Physics 2016-05-31 Simone Zanotto , Federica Bianco , Giorgio Biasiol , Lucia Sorba , Alessandro Tredicucci

We report measurements of a superconducting coplanar waveguide resonator (CPWR) coupled to a sphere of yttrium-iron garnet. The non-uniform CPWR field allows us to excite various magnon modes in the sphere. Mode frequencies and relative…

Mesoscale and Nanoscale Physics · Physics 2017-09-15 R. G. E. Morris , A. F. van Loo , S. Kosen , A. D. Karenowska

We report ferromagnetic resonance in the normal configuration of an electrically insulating magnetic bilayer consisting of two yttrium iron garnet (YIG) films epitaxially grown on both sides of a 0.5-mm-thick nonmagnetic gadolinium gallium…

The generation of magnon entanglement and squeezing plays a crucial role in quantum information processing. In this study, we propose a scheme based on a chiral cavity-magnon system, which consists of a torus-shaped cavity and two yttrium…

Quantum Physics · Physics 2025-05-23 Yuxin Kang , Xin Zeng , Wuji Zhang , Chunfang Sun , Chunfeng Wu , Gangcheng Wang

Magnon-photon hybrid systems consisting of a three-dimensional electromagnetic resonator and a bulk magnetic insulator constitute the standard experimental platform in cavity magnonics. Here, we demonstrate a modular loop-gap resonator…

Mesoscale and Nanoscale Physics · Physics 2026-02-02 Francesca Zanichelli , Davit Petrosyan , Hanchen Wang , Patrick Helbingk , Richard Schlitz , Pietro Gambardella , William Legrand

The new field of spin cavitronics focuses on the interaction between the magnon excitation of a magnetic element and the electromagnetic wave in a microwave cavity. In strong interaction regime, such interaction usually gives rise to the…

Mesoscale and Nanoscale Physics · Physics 2019-12-04 Weichao Yu , Jiongjie Wang , H. Y. Yuan , Jiang Xiao

We investigate the influence of magnon decays on the non-equilibrium dynamics of parametrically excited magnons in the magnetic insulator yttrium-iron garnet (YIG). Our investigations are motivated by a recent experiment by Noack et al.…

Statistical Mechanics · Physics 2021-03-12 Viktor Hahn , Peter Kopietz

Functionality of many nonlinear and quantum optical devices relies on the effect of optical bistability. Using the microcavity exciton-polaritons in a honeycomb arrangement of microcavity pillars, we report the resonance response and…

Optics · Physics 2018-02-07 Yaroslav V. Kartashov , Dmitry V. Skryabin

We experimentally study the magnon-photon coupling in a system consitsing of the compensating ferrimagnet gadolinium iron garnet (GdIG) and a three-dimensional microwave cavity. The temperature is varied in order to tune the GdIG…

We study dissipative spin-spin coupling in dispersive regime mediated by virtual photons in a microwave cavity. Dissipative coupling between magnetization of each magnetic material and the cavity photons is established by means of two phase…

Mesoscale and Nanoscale Physics · Physics 2019-07-17 Vahram L. Grigoryan , Ke Xia

We experimentally demonstrate the nonreciprocal microwave amplification using a cavity magnonic system, consisting of a passive cavity (i.e., the split-ring resonator), an active feedback circuit integrated with an amplifier, and a…

Applied Physics · Physics 2023-11-07 Zi-Yuan Wang , Jie Qian , Yi-Pu Wang , Jie Li , J. Q. You

We derive the anomalous Hall contributions arising from dipolar interactions to diffusive spin transport in magnetic insulators. Magnons, the carriers of angular momentum in these systems, are shown to have a non-zero Berry curvature,…

Mesoscale and Nanoscale Physics · Physics 2021-06-23 Pieter M. Gunnink , Rembert A. Duine , Andreas Rückriegel

We study the collective dissipative dynamics of dipoles modeled as harmonic oscillators coupled to 1-D electromagnetic reservoirs. The bosonic nature of the dipole oscillators as well as the reservoir modes allows an exact numerical…

Quantum Physics · Physics 2024-11-05 Subhasish Guha , Ipsita Bar , Bijay Kumar Agarwalla , B. Prasanna Venkatesh
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